<iframe title="When Is Now?" src="https://www.youtube.com/embed/3WRgikuVZpQ?feature=oembed" height="113" width="200" style="aspect-ratio: 1.76991 / 1; width: 100%; height: 100%;" allowfullscreen="" allow="fullscreen"></iframe> **Duration:** 21:1 **Language:** **Complexity:** **Topics:** # šŸ“’ Personal Notes --- date: 2024-03-20 --- # YouTube ![]() ## Description: -> [Youtube video Link](https://www.youtube.com/embed/3WRgikuVZpQ) ## Summary: The video explores the concept of "Now" in physics, neuroscience, and human perception. It delves into how different frames of reference impact the notion of simultaneous events and the concept of "Now." The video discusses topics like special and general relativity, the relativity of simultaneity, presentism, and eternalism. The illusion of the present moment and the brain's delayed processing of information are also highlighted. ### Top 3 Key Points: - Simultaneous events and the concept of "Now" can vary based on different frames of reference. - Our brains have a delay in processing information, leading to an illusory sense of the present moment. - The laws of physics indicate that all moments are equally real, contributing to the concept of eternalism. ### Topics and Themes: - Relativity - Perception - Time